<title>g96 file format</title>
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<h2>g96 file format</h2>
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<p>A file with the g96 extension can be a GROMOS-96 initial/final
configuration file or a coordinate trajectory file or a combination of both.
The file is fixed format, all floats are written as 15.9 (files can get huge).
GROMACS supports the following data blocks in the given order:
<ul>
<li> Header block:
<ul>
<li><tt>TITLE</tt> (mandatory)
</ul>
<li> Frame blocks:
<ul>
<li><tt>TIMESTEP</tt> (optional)
<li><tt>POSITION/POSITIONRED</tt> (mandatory)
<li><tt>VELOCITY/VELOCITYRED</tt> (optional)
<li><tt>BOX</tt> (optional)
</ul>
</ul>
See the GROMOS-96 manual for a complete description of the blocks.
<p>
Note that all GROMACS programs can read compressed or g-zipped files.
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